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						<h1 id="firstHeading" class="firstHeading" lang="en"><span dir="auto">RAW</span></h1>
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								<div id="siteSub">From PanoTools.org Wiki</div>
								
												
				<div id="mw-content-text" lang="en" dir="ltr" class="mw-content-ltr"><p><b>RAW</b> refers to
a group of some hundred proprietary image formats<a class="external" href="http://wiki.panotools.org/Image_format">[*]</a> containg unprocessed sensor data from digital cameras. 
</p><p>They all have in common that they contain the unprossesed data as it comes from the analog/digital (A/D) converter. This files need to be processed - at least interpolated, since the color information for most of them is located in different pixels - and converted to a common image format<a class="external" href="http://wiki.panotools.org/Image_format">[*]</a> to be viewed or otherwise used. They might contain additional data comparable to the <a href="EXIF.html" title="EXIF">EXIF</a> information.
</p>
<h2><span class="mw-headline" id="RAW_converters">RAW converters</span></h2>
<p>There are numerous RAW converters but only few that can convert most or all RAW formats, most of them based on dcraw<a class="external" href="http://wiki.panotools.org/Dcraw">[*]</a> written by David J. Coffin. Most of them offer sophisticated ways to control white balance<a class="external" href="http://wiki.panotools.org/White_balance">[*]</a>, tonal range, contrast, shadow detail, exposure etc. Some even allow for correction of <a href="Chromatic_aberration.html" title="Chromatic aberration">chromatic aberration</a> or noise. 
</p><p>You can always try and find out how to extract more <a href="Dynamic_range.html" title="Dynamic range">dynamic range</a> from RAW files in these converters, but in order to get 16 bit per channel output files with full <a href="Dynamic_range.html" title="Dynamic range">dynamic range</a> follow the tutorial about RAW dynamic range extraction<a class="external" href="http://wiki.panotools.org/RAW_dynamic_range_extraction">[*]</a>.
</p>
<h2><span class="mw-headline" id="External_links">External links</span></h2>
<ul>
<li> w:Camera raw<a class="external" href="http://www.wikipedia.org/wiki/Camera_raw">[*]</a> at Wikipedia
</li>
<li> <a rel="nofollow" class="external text" href="http://www.photo.net/learn/raw/">RAW, JPEG and TIFF</a> by Bob Atkins on Photo.net
</li>
<li> <a rel="nofollow" class="external text" href="http://www.cambridgeincolour.com/tutorials/RAW-file-format.htm">Advantages and disadvantages of the RAW format and more basic information</a>
</li>
</ul>




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